Akuvox R28A is a multi-subscriber call panel with a 4.3″ color TFT LCD screen and mechanical call buttons, housed in an aluminum enclosure with IP65 protection rating. It supports two-way audio communication via SIP protocol and IR illumination.

The panel is designed to organize access control and video surveillance for multiple subscribers in apartment buildings, office centers, and other facilities. It supports two-way audio and video communication, integration with SIP PBX, and door lock control.

Video and display

Built-in camera: 2 MP

Viewing angles: horizontal – 116°

Backlight type: infrared, automatic

Display: 4.3″ TFT LCD

Codec support: H.264 / H.265

ONVIF and SIP support for integration with IP video systems

Audio

Two-way audio communication: yes

Audio codec: G.722

Echo cancellation: yes

DTMF command support for door opening

Access control systems

Card reader: Mifare, Em-Marine, NFC (13.56 MHz / 125 kHz)

Temporary access support: PIN code

Number of relay outputs: 3

Number of inputs: 3

Wiegand and RS485 support

Network and power

Interface: IP

PoE support: 802.3af

Power supply: DC 12V

Wi-Fi: ні

Installation and housing

Mounting type: wall-mounted or flush-mounted (with additional mounting kit)

Housing material: aluminum

Protection class: IP65 / IK06 (dust and moisture protection, vandal-proof)

Operating temperature range: –40°C … +55°C

Features

Runs on the Android operating system

SIP standard support for easy integration with any SIP PBX

Multi-subscriber panel for controlling access for a large number of users

Vandal-proof aluminum housing

Can be mounted on a wall or recessed into a surface